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Finding the Fourth Proportional to 379,706.04, 570,444.84 and 222,045.48

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Solution

The fourth proportional to 379,706.04, 570,444.84 and 222,045.48 is: 333,586.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,706.04 : 570,444.84 = 222,045.48 : x
  2. Step 2: Convert to fraction form
    379,706.04/570,444.84 = 222,045.48/x
  3. Step 3: Cross multiply
    379,706.04x = 570,444.84 × 222,045.48
  4. Step 4: Simplify right side
    379,706.04x = 126,664,698,311.32
  5. Step 5: Solve for x
    x = 126,664,698,311.32/379,706.04
  6. Step 6: Final answer
    x = 333,586.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.